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Date:      Fri, 19 Aug 2016 15:52:51 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        =?UTF-8?B?T3RhY8OtbGlv?= <otacilio.neto@bsd.com.br>, vbox@FreeBSD.org, freebsd-multimedia@freebsd.org
Subject:   Re: [CFT] New version of webcamd, now v4.8.0.2
Message-ID:  <308013fd-1eec-eb3b-ca89-146f816803a9@selasky.org>
In-Reply-To: <de24bd76-e382-c055-8b64-3824c69d3de4@bsd.com.br>
References:  <d2b588e6-33b3-9523-1551-a1d9deabdf8c@selasky.org> <de24bd76-e382-c055-8b64-3824c69d3de4@bsd.com.br>

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On 08/19/16 15:42, Otacílio wrote:
> Dears, I'm facing a huge CPU usage in the follow scenario:
>
> I'm using a 11.0-RC1 amd64 in vbox guest. The virtualbox-ose-additions
> is 5.0.26. When I'm sharing my notebook integrated webcam with guest I
> noted a increase of kernel CPU usage.  But, when I open the webcam the
> CPU usage increases at a point that the machine starts to freeze. The
> camera works but the frame rate is low. I was using the version from
> ports with this behavior but this new version stay with the same
> problem. If I remember, with virtualbox series 4 this problem not
> happens.  So, can it be a webcamd or is really a new version of
> virtualbox problem?
>

What does "top" say about webcamd's CPU usage?

Maybe it is a problem inside the USB emulation in VBOX, that some 
functions become expensive.

--HPS




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